"Visit" my grandmother 用英语可以说成 "to pay a visit to my grandmother"。这个短语的来源是由 "visit"（拜访）和 "my grandmother"（我的奶奶）组成。

例句：

I'm going to visit my grandmother this weekend.
我这个周末要去拜访我的奶奶。
I visited my grandmother yesterday.
我昨天去拜访了我的奶奶。
I will visit my grandmother next month.
我下个月会去拜访我的奶奶。